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Long-Term Debt and Liquidity Matters (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt Disclosure [Abstract] |
Schedule of Estimated Fair Value of Long-Term Debt, Including Current Maturities | The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):
| As of September 30, 2023 |  | As of December 31, 2022
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Pinnacle West | $ | 1,123,521 |  |  | $ | 1,087,405 |  |  | $ | 947,892 |  |  | $ | 905,525 |
APS | 7,290,851 |  |  | 5,969,892 |  |  | 6,793,529 |  |  | 5,629,491 |
BCE | — |  |  | — |  |  | 50,550 |  |  | 50,685 |
Total | $ | 8,414,372 |  |  | $ | 7,057,297 |  |  | $ | 7,791,971 |  |  | $ | 6,585,701 |

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